slob: remove bigblock tracking

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Remove the bigblock lists in favour of using compound pages and going directly
to the page allocator.  Allocation size is stored in page->private, which also
makes ksize more accurate than it previously was.

Saves ~.5K of code, and 12-24 bytes overhead per >= PAGE_SIZE allocation.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Nick Piggin 2007-07-15 23:38:08 -07:00 • committed by Linus Torvalds

parent 95b35127f1

commit d87a133fc2

1 changed files with 29 additions and 74 deletions

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mm/slob.c

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